Thicken Hello Kitty Pajama Pants

Dear customer, please strictly follow the weight size when purchasing this clothing
M 40-45KG
L 45-55KG
XL 55-60KG
XXL 60-70KG
These pants are made of elastic fabric, the waistband must be very small when you receive the product, but don't worry, please see the first two pictures for details (example size XL)